<http://schema.org/headline>
"\u300C\u5225\u308C\u305F\u306E\u306B\u30C7\u30FC\u30C8\u3057\u3061\u3083\u3046\u300D\u5B99\u3076\u3089\u308A\u3093\u5973\u5B50\u304B\u3089\u629C\u3051\u51FA\u3059\u65B9\u6CD5"^^<http://www.w3.org/2001/XMLSchema#string>
<http://howcollect.jp/article/5786>